ROBERT M BROWN
Broker in Hingham, MA

License number
Massachusetts 71986
Issued Date
Jan 1, 1972
Expiration Date
Jan 28, 2001
Type
Broker
Address
Address
Hingham, MA 02043
LicenseFiles verified this license of Nov 25, 2016 at the Mass.gov - Consumer Affairs and Business Regulation.

Professional information

Robert Brown Photo 1

Writing Instrument With Ball Point And Two Reservoirs

US Patent:
4536099, Aug 20, 1985
Filed:
Nov 8, 1983
Appl. No.:
6/550075
Inventors:
Charles P. Kiricoples - Salem MA
Henry Behrens - Topsfield MA
Robert L. Brown - Hingham MA
Assignee:
The Gillette Company - Boston MA
International Classification:
B43K 700, B43K 708
US Classification:
401209
Abstract:
A ball-point writing instrument in which dislodging of the rotating ball as a result of accidental droppage on a hard surface is prevented by employing an ink reservoir construction designed to prevent propagation of a travelling pressure step in the column of ink above the rotating ball.

Broker licenses in Massachusetts