Patent
   D291649
Priority
Jun 06 1984
Filed
Jun 06 1984
Issued
Sep 01 1987
Expiry
Sep 01 2001
Assg.orig
Entity
unknown
1
6
n/a
The ornamental design for a valve seat driver, substantially as shown and described.

FIG. 1 is a top perspective view of a valve seat driver embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a reduced cross-sectional view thereof taken along line 4--4 in FIG. 2.

Rembold, David C.

Patent Priority Assignee Title
D856498, Jan 31 2013 SPM OIL & GAS INC Valve seat
Patent Priority Assignee Title
1530866,
1589633,
1981925,
2998644,
3222766,
25127,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 04 1984REMBOLD, DAVID C TOBIN-ARP MANUFACTURING COMPANY, EDEN PRAIRIE,A CORP OF MNASSIGNMENT OF ASSIGNORS INTEREST 0042700535 pdf
Jun 06 1984Sunnen Products Company(assignment on the face of the patent)
Dec 21 1985Tobin-Arp Manufacturing CompanyTOBIN-ARP, INC ASSIGNMENT OF ASSIGNORS INTEREST 0045010399 pdf
May 02 1986TOBIN-ARP, INC A CORP OF DE SUNNEN PRODUCTS COMPANY, A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0045390607 pdf
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