Document dQZkXNENYQKvevweX0b255go5
-^ J
1 RESPONSE: 2 (a) and (b) The following are unexpired patents (as of 3 October, 1983) covering friction products containing asbestos:
4 U.S. PATENT
ISSUE
5 NO* 6 3,334,163
DATE 08/01/67
INVENTORS R.H. Gilbert
TITLE Method of molding
7 friction elements
8 3,448,071
06/03/69
E.C. Keller
Brake Pad
9 3,477, 983
11/11/69 E.C. Keller
Friction elements
10 3,492,262
01/27/70
A.M. Griffith Friction elements
11 3,505,446
C4/07/70 A.M. Griffith Friction elements
12 3,673,276
06/27/72
E.C. Keller
Friction elements
13 R.E. Spokes
14 3,751,330
08/07/73
R.H. Gilbert
Railroad Brake Shoes
15 3,998,573
12/21/76
R.H. Gilbert
The Manufacture of
16
A.M. Griffith
friction elements
17 (c) As of October, 1983, there were no patent
18 applications on file assigned to Abex Corporation covering
19 products containing asbestos.
20 INTERROGATORY NO. 13:
21 Have any of the products listed in Interrogatory No. 10
22 above been altered in chemical composition, asbestos type or
23 content since first being marketed?
24 RESPONSE:
25 There has been no difference in the use of chrysotile
26 asbestos. There may have been changes in phenolic resins and
27 fillers .
NZ O Dv
23 ///
*ao "6'