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Robert D. Caswall — 3 Patents

GLGlasstech: 2 patents #35 of 71Top 50%
AMAbbey Etna Machine: 1 patents #7 of 13Top 55%
Perrysburg, OH: #159 of 459 inventorsTop 35%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert D. Caswall has been granted 3 US patents while listed as an inventor at Glasstech. The first was granted in 1982 and the most recent in July 2002. Robert D. Caswall ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert D. Caswall in Perrysburg, OH, US.

Patents per Year

Patents granted per year, 1982 to 2002Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19822000: 1 patents20002002: 1 patents2002

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6418754 Apparatus and method for mold changing in heated glass sheet forming station Dean M. Nitschke, Eustace H. Mumford, David B. Nitschke 2002-07-16
6032491 Apparatus for mold changing in heated glass sheet forming station Dean M. Nitschke, Eustace H. Mumford, David B. Nitschke 2000-03-07
4313329 Unloading apparatus George W. Kaase 1982-02-02

Frequent Collaborators

David B. Nitschke2 shared
Dean M. Nitschke2 shared
Eustace H. Mumford2 shared
George W. Kaase1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3