Document rpG5jM2M1MR8KqNm1L91LaJLr

ChlMft C* S AdBMi J. 7. KUNN CMsag* Maparaicw Lab Mr$, 19# W Orladnr far Uthspam % Ttwnl yon tar your rap art uananming tba flrrt iHayti at grinding taaaah bax Ilttapaw la the M Qrladar <Hashharg typo). Sine* ye* ran year torts, wo bar* dan* a (rant deal nor* rode with tha alll and tore lwprorad ear technique to tha paint where yau wight Met to iwallar farther tmtlag as yaur product. Am jtm will recall, tha 11U opone slurry * tlto badly diacolored hr tha abmaisn at atari tram tha lwpaUars. Ha hs*e wed* taata with fibre t^allara and fibre apaaara and bare found m one produce tltanlaa dlsparaisaa without mgr tree* af dinoolaratlan. Preciously, wtd.tr enewela wara dl.aaelerad to abowt tha aana degree aa your lithapaes alwrry. Zb add! tire, aa tm bean using lau glass bells instead of sand, which grinds Just aa wall and handle* aaaa easily* s traaaa of flea grinding wadi, a ten bam found la tha prodost aa war tha aare with Ottawa sand. da baww alra Inaraseed tha spend of tha inpallera which aa--a to give batter reanlta aa regard* thraogh put at a specified grind. Tar Patent raparfmt ban thereafter anaadnad tha da Pont patent file history and has aJrlead aa that nelng glaaa halla of bn. or slightly lvger pats as ovtolda ths toehberg patent and ns royalty need bo paid. Tha do Peat patent aa leaned is awry United Ln Its *, aa the 5aagrarl attrttor and ether patonto aaaaaad aoaa af tha artsiiwil da Pant claim. Thaaa older patonta ha** wylrad. Our plana for a 12 Inch grinder are progressing and m anticipate thin pilot alna ad.will b* randy far aaparlnantal work la deanery. If th* pilot will operate* as well as tha Hb nodal, -- intoed to build production aodals and put than In tha faatarlas as waded, ha royalty agraaasata will be signed with da hat. If you imtt to run additional testa la the lab nodal, ns will bn glad to maeiat you. BBOmig/lg ant ab SBC JVU BOB B. K. Crwi*, Bnparwlsar Dlcperelan Basaareh into 0007--SWP